June Weather in Wellesley, Canada

Last updated: June 18, 2025

In Wellesley, Canada during June, the average temperature hovers around 18°C (65°F). However, be prepared for a range, as temperatures can dip to a minimum of 3°C (39°F) and soar to a maximum of 32°C (91°F). Expect 108 mm (4.2 in) of precipitation spread out over 11 days, resulting in a humidity level of around 81%.

June Temperature in Wellesley

In June in Wellesley, the average temperature is 18°C (65°F). Maximums can reach 32°C (91°F) and minimums can be as low as 3°C (39°F). This makes Wellesley an ideal destination for travelers seeking mild weather with a chance to experience both warm days and cool nights.

June Weather in Wellesley: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Wellesley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wellesley, June typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (91°F) and lows dropping to around 3°C (39°F).

Data source: Temperature data for Wellesley generated using information from the Copernicus Climate Change Service.

June Precipitation in Wellesley

In Wellesley in June, the precipitation amount is 108 mm (4.2 in), distributed over 11 days.

June Precipitation Trends in Wellesley

The chart displays monthly precipitation patterns in Wellesley, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Wellesley, June typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Wellesley

In Wellesley in June, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

June Average Humidity in Wellesley

This chart illustrates the average monthly humidity levels in Wellesley, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Wellesley is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Wellesley

In Wellesley in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Wellesley.

Maximum UV Index Levels in Wellesley for June

The chart shows the monthly maximum UV Index (UVI) for Wellesley in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Wellesley typically reaches 10, which falls under the very high exposure category.

Data source: Wellesley June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How June Weather in Wellesley Compares to Other Months

Weather in Wellesley varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Wellesley, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Wellesley, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (22°F)	77 mm (3.0 inches)	90%	low
February Weather	-5°C (23°F)	81 mm (3.2 inches)	90%	moderate
March Weather	0°C (31°F)	70 mm (2.8 inches)	87%	moderate
April Weather	5°C (42°F)	101 mm (4.0 inches)	87%	very high
May Weather	13°C (55°F)	98 mm (3.9 inches)	82%	very high
June Weather	18°C (65°F)	108 mm (4.2 inches)	81%	very high
July Weather	21°C (70°F)	79 mm (3.1 inches)	79%	very high
August Weather	20°C (68°F)	102 mm (4.0 inches)	80%	very high
September Weather	16°C (61°F)	83 mm (3.3 inches)	81%	high
October Weather	10°C (50°F)	111 mm (4.4 inches)	84%	moderate
November Weather	2°C (36°F)	89 mm (3.5 inches)	88%	moderate
December Weather	-2°C (29°F)	77 mm (3.0 inches)	87%	low